Modern Gasworks Practice

 WATER GAS 719 obtained from a plant having a capacity of 650,000 to 700,000 cubic fest of gas per diem:—- COMPARISON BETWEEN CONSTANT StEAM FlOW AND ReGULATED FLOW 1. Steam Flow Ungoverned. 2-Steam Flow Governed. 3. Steam Flow Ungoverned. 4. Steam Flow Governed. Steam Flow, Ib. :— Ist minute 35 35 30 30 2nd 35 34-75 30 30 3rd „ 35 33-0 30 27-5 4th „ 35 29-0 30 24-0 5th „ 35 24-0 30 21 0 ■CO2 per cent. :— Ist minute 2-8 2-0 2-0 2-0 2nd „ ........ 4-1 3-7 3-8 3-4 3rd „ 7-8 54 6-9 4-2 4th „ 13-8 8-6 110 7-2 5th „ 15-4 10-2 13-4 8-4 CO, in 5 minutes, Run Sample 8-0 4-8 6-4 3-8 Make of Gas c. ft. per run .... 4,940 4,707 4,800 4,700 .Make of Gas c. ft. per minute :— Ist minute — — 1,248 1,363 2nd — — 1,152 1,269 3rd „ . . —.. — 912 846 4th „ . . — — 816 658 5th „ _i — 672 564 As compared with. constant flow, the results obtained with. a regulated flow show a very considerable reduction not only in CO 2 content of the gas, but also in steam and fuel consumption. Thus— 35 Ib. max. flow. 30 Ib. max. flow. As compared with constant flow :— CO 2 reduoed by Steam Consumption reduoed by .... 40 per cent. 11 40-6 per cent. 11-7 „